[  123.536843] BUG: kernel NULL pointer dereference, address: 00000016

[  123.540448] Oops: Oops: 0000 [#1] PREEMPT SMP

------------[ cut here ]------------
[  123.514462] WARNING: CPU: 0 PID: 2418 at kernel/trace/ftrace.c:378 __unregister_ftrace_function+0x8c/0x9c
[  123.515402] Modules linked in: fuse configfs [last unloaded: trace_events_sample]
[  123.516008] CPU: 0 UID: 0 PID: 2418 Comm: ftracetest Not tainted 6.12.32-rc1 #1
[  123.518557] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  123.519399] EIP: __unregister_ftrace_function+0x8c/0x9c
[  123.520086] Code: ef 2e 8d b4 26 00 00 00 00 90 81 7b 04 e0 d2 18 c5 b8 c8 d2 18 c5 75 ca ba e0 d2 18 c5 89 15 c8 d2 18 c5 eb c2 2e 8d 74 26 00 <0f> 0b b8 f0 ff ff ff c3 b8 ff ff ff ff eb be 90 a2 88 e6 05 c5 c3
[  123.521864] EAX: c1e4618c EBX: c1e4618c ECX: 00000000 EDX: c23b8000
[  123.522383] ESI: c1e4618c EDI: c1e4618c EBP: c5453d74 ESP: c5453d54
[  123.522681] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010246
[  123.523538] CR0: 80050033 CR2: b7dfbee0 CR3: 020bf000 CR4: 000006d0
[  123.524073] Call Trace:
[  123.524354]  ? unregister_ftrace_function+0x29/0x12c
[  123.524858]  ? preempt_count_sub+0x54/0x78
[  123.525702]  unregister_fprobe+0x42/0x74
[  123.526399]  trace_fprobe_release+0xbf/0x18c
[  123.527160]  ? selinux_file_open+0x98/0xe0
[  123.527613]  dyn_events_release_all+0x7b/0xf8
[  123.528041]  dyn_event_open+0x3b/0x44
[  123.528905]  do_dentry_open+0x139/0x41c
[  123.529025]  ? dyn_events_release_all+0xf8/0xf8
[  123.529289]  vfs_open+0x2a/0xdc
[  123.529558]  ? may_open+0x84/0x17c
[  123.529935]  path_openat+0x6ea/0x1058
[  123.530264]  ? __call_rcu_common.constprop.0+0x106/0x394
[  123.530423]  do_filp_open+0xae/0x154
[  123.530531]  do_sys_openat2+0xb5/0xe4
[  123.530903]  __ia32_sys_openat+0x66/0xb0
[  123.531280]  ia32_sys_call+0x141/0x2818
[  123.531656]  __do_fast_syscall_32+0x4c/0xc8
[  123.531934]  do_fast_syscall_32+0x2b/0x60
[  123.532232]  do_SYSENTER_32+0x15/0x18
[  123.532329]  entry_SYSENTER_32+0xa6/0x115
[  123.532494] EIP: 0xb7f27579
[  123.532726] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76
[  123.534647] EAX: ffffffda EBX: ffffff9c ECX: 01f4a6f4 EDX: 00008241
[  123.535164] ESI: 000001b6 EDI: 00000000 EBP: 00000000 ESP: bfecc720
[  123.535579] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000246
[  123.536092] ---[ end trace 0000000000000000 ]---

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